ack/mach/pdp/libsys/ptrace.s
1987-05-14 17:45:41 +00:00

22 lines
246 B
ArmAsm

#include "sys.h"
.define _ptrace
.extern _errno
_ptrace:
mov 2(sp),0f+6
mov 4(sp),0f+2
mov 6(sp),0f+4
mov 010(sp),r0
clr _errno
sys indir; .data2 0f
bcc 1f
mov r0,_errno
mov $-1,r0
1:
rts pc
.sect .data
0:
sys ptrace
.data2 0, 0, 0